List of the Top 6 Email Marketing Software for Unstack in 2025

Mailchimp, a prominent marketing automation platform, boasts a user base of over 11 million worldwide. The platform offers AI-driven insights and content generation tools that enable businesses to tailor their email and SMS communications specifically for each customer. With an impressive 99% delivery rate and more than 300 integrations, Mailchimp empowers organizations to maintain strong connections with their clientele while fostering repeat business and enhancing brand loyalty—effortlessly fitting within existing workflows. Prominent companies such as TEDTalks, Shutterstock, Boston Market, and Nikon India utilize Mailchimp to elevate their email marketing efforts and drive revenue. Its user-friendly design distinguishes the platform, making it accessible to both tech-savvy users and those less familiar with technology. Since its inception in 2001, Mailchimp has experienced remarkable growth, establishing itself as a leading global marketing automation provider with offices located in cities like Atlanta, Brooklyn, Oakland, Vancouver, London, Seattle, and Santa Monica. The platform is dedicated to offering an exceptional and tailored user experience. Recently, Mailchimp was acquired by Intuit Inc. (Nasdaq: INTU), a well-known global financial technology company, marking a new chapter in its evolution and promising even further enhancements to its services. This acquisition is expected to expand Mailchimp's capabilities and reach, providing even more value to its diverse user base.

ActiveCampaign stands out as a premier platform for advanced marketing automation solutions. Serving clients across more than 170 nations, it facilitates tailored marketing efforts, transactional emails, and personalized CRM interactions. With an impressive customer satisfaction score on G2.com, ActiveCampaign leads the way in categories such as Marketing Automation, E-Commerce Personalization, and Landing Page Builders. It is one of the select few software options boasting over 10,000 favorable reviews. Additionally, the platform has earned the title of Top Rated E-Mail Marketing Software from TrustRadius. To allow potential users to explore its features, ActiveCampaign offers a complimentary trial period. This trial enables businesses to experience firsthand the benefits of integrating intelligent marketing automation into their strategies.

HubSpot Marketing Hub is designed to enhance your website traffic, convert prospective leads, and demonstrate your return on investment effectively. This comprehensive marketing platform equips brands and marketers with the tools necessary to initiate and sustain impactful campaigns that elevate their visibility. Its features encompass SEO techniques, blog writing, content management systems, and the utilization of various social media platforms, including Facebook, LinkedIn, and Twitter. By utilizing Marketing Hub, you and your team can not only boost traffic and convert leads but also monitor your entire sales funnel efficiently. You can easily create professional email templates and landing pages using drag-and-drop functionality. The platform allows for the swift publication of blog posts, establishing your credibility in any subject area and enhancing your online presence. Furthermore, your content is designed to be responsive, ensuring that it is accessible across all devices. With real-time SEO suggestions and an adaptable content strategy for contemporary search trends, this tool is indispensable for modern marketing efforts. Additionally, you can explore numerous resources and insights to maximize your marketing impact.

Intercom stands out as a premier customer service platform powered by AI, enabling businesses to deliver customized and efficient support across multiple communication channels. Founded in 2011, the company offers a diverse set of tools, including the Fin AI Agent, which provides immediate and accurate responses to customer inquiries at any time. Moreover, its platform features AI Copilot, which supports agents with real-time solutions, alongside AI Analyst, which offers critical insights and recommendations for customer support leadership. Serving over 25,000 organizations globally, including prominent companies like Atlassian, Amazon, and Microsoft, Intercom processes upwards of 500 million messages each month, greatly enhancing customer engagement and operational productivity. Headquartered in San Francisco, and with additional locations in Chicago, Dublin, Sydney, and London, Intercom is dedicated to the ongoing evolution of the customer service sector, ensuring they meet the changing demands of their clients. Their strong emphasis on innovation not only keeps them ahead in the industry but also fosters a culture of growth and adaptability. This commitment to progress is what sets Intercom apart as a leader in customer service solutions.

Klaviyo enables companies to forge more intelligent digital connections by converting customer data into valuable and impactful interactions. It simplifies engagement for B2C brands across various channels, including email, SMS, web interactions, and customer reviews, ensuring they can reach customers at every point of interaction. With the endorsement of over 157,000 businesses, Klaviyo accelerates revenue growth in a more effective manner. The platform boasts over 350 integrations that facilitate quick onboarding for marketers. Key functionalities include predictive analytics, AI-driven automation, customizable templates, A/B testing, and user-friendly segmentation and email workflows, all designed to help marketers deliver the right message to the right audience at the optimal time. Additionally, Klaviyo provides seamless integration with payment processing and point of sale (POS) systems, including popular platforms such as Magento, Shopify, and WooCommerce, enhancing its utility for a diverse range of businesses. This comprehensive approach allows brands to not only communicate effectively but also to optimize their overall customer experience.

Boost the expansion of your ecommerce business by efficiently collecting more email addresses and converting first-time visitors into dedicated customers with Privy’s all-encompassing suite of exceptional web conversion and email marketing tools. By harnessing the power to gather hundreds of emails on a daily basis, companies can achieve remarkable offer redemption rates that reach up to 20%. A prime example is Mountain Crest Gardens, which significantly improved its email capture and campaign conversion rates with Privy’s captivating pop-ups and Spin to Win displays. Our tools easily integrate with your current marketing setup, facilitating swift growth. Take advantage of various methods like pop-ups, banners, and flyouts to increase your email and SMS sign-up numbers even further. With customizable display triggers and a wide array of audience targeting options, you can send timely messages that resonate with your target market. Privy allows you to showcase your brand’s distinct identity through a vast selection of customizable display features. Additionally, our user-friendly drag-and-drop design functionality enables you to create eye-catching, high-converting displays and emails instantly, without requiring assistance from web developers or IT professionals. Begin your path to enhanced ecommerce success today and witness the transformative impact of effective email marketing!